body{
  font-family: 'PingFangSC-Regular';
  background: #fff;
  font-size: 14px;
}
html, body, #app, .page{
  width: 100%;
  height: 100%;
}
.flex{
  display: flex;
}
.justify-sb{
  justify-content: space-between;
}
.justify-center{
  justify-content: center;
}
.justify-end{
  justify-content: flex-end;
}
.align-center{
  align-items: center;
}
.flex-direction{
  flex-direction: column;
}
.exceedOne{
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:1;
}